rally: ceilometer-alarm is deprecated
rally: ceilometer-alarm is deprecated

This change uses aodh instead of ceilometer-alarm in rally tests.

Change-Id: I5c7cecdd42876f035236befa8616a2ebf693fa00

noorul/os-project-config,Tesora/tesora-project-config,dongwenjuan/project-config,openstack-infra/project-config,noorul/os-project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config